.head_box {
  position: fixed;
  left: 0px;
  top: 0px;
  width: 100%;
  height: auto;
  min-height: 68px;
  z-index: 99;
  padding: 0px 38px;
}

.head_left,
.head_right {
  width: auto;
  height: 100%;
  margin: 0px;
  padding: 0px;
}
